Guard Column starter set, Amide, complete with 5 each 4.0 mm ID x 10 mm long cartridges packed with 4 um, 100 A phase and 1 each guard column holder 1 PK.

This Guard Column is designed to protect your analytical column from particulate and contaminants that will adsorb to your column. Packed in a Stainless Steel Tube, it has SS Frits. Labelled, and shipped in an individual, black, delrin case to protect and keep it from drying out. Use with guard column holder sold separately.

Sometimes, the individual cartridge is preferred over buying a pack of 5 when different "Guard Column" phases are preferred and pairing them with different analytical phases for unique separations.

Use this guard column cartridge with a 2.1 mm ID analytical column.